<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        input:enabled {
            background: pink;
            color: #fff;
        }
        input:disabled {
            background: deeppink;
        }
        input:checked {
            width: 20px;
            height: 20px;
        }
    </style>
</head>
<body>
    <input type="text">
    <input type="text" disabled>
    <input type="checkbox">
</body>
</html>
